ASUS RS521A-E12-RS24U AMD EPYC™ 9005 single-processor 2U Rack Server
Classification:
AMD EPYC™ 9005 single-processor 2U server that supports up to 24 DIMM, 24 NVMe, five PCIe® 5.0 slots, two M.2, OCP 3.0, two dual-slot GPUs, and ASUS ASMB11-iKVM
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Features
RS521A-E12-RS24U
- Powerful performance: Powered by AMD EPYC 9005 processors with 192 Zen 5c cores, 12-channel, up to 5200 MHz DDR5 and support for a maximum TDP of up to 360 watts
- Scale-up storage and expansion design: Up to 24 all-flash NVMe drives on the front panel, two drives in the real panel, and 5 PCIe 5.0 slots for higher bandwidth and system upgrade
- Flexible networking module design: On-board LAN module, and OCP 3.0 module with PCIe 5.0 slot in rear panel for faster connectivity
- Air cooling solution: With heatsink achieves lower power-usage effectiveness (PUE) and optimized TCO for data centers for versatile workloads
- Enhanced IT-infrastructure management: ASUS ASMB11-iKVM remote control with ASPEED AST2600, ASUS Control Center IT management software and hardware-level Root-of-Trust solution
- Read for AI and HPC workloads: Up to two dual-slot GPUs, including NVIDIA A100 and A40, AMD Instinct and Xilinx

Specifications
Processor / System Bus
5th Generation AMD EPYC Processors or 4th Generation AMD EPYC Processors
AMD EPYC™ 9005/9004 Series Processors (Air cool with STD HS up to 360W)
Memory
with AMD EPYC™ 9005 series processors
DDR5 6400/5600 RDIMM/3DS RDIMM
Maximum 3,072GB
2DPC (1 of 2) up to 5200 with "6400 RDIMM", other 4800
2DPC (2 of 2, 1R+1R ) up to 4400, with "6400 RDIMM", other 4000
2DPC (2 of 2, 2R+2R ) up to 4000, with "6400 RDIMM", other 3600
with AMD EPYC™ 9004 series processors
DDR5 4800 RDIMM/ 3DS RDIMM
Maximum 3,072GB
2DPC (1 of 2) up to 4800,
2DPC (2 of 2, 1R+1R ) up to 4000
2DPC (2 of 2, 2R+2R ) up to 3600
* Refer to support page for more information
Expansion Slots
Up to 5 PCIe Gen5 slots + 1 OCP3.0
2 x PCIe Gen5 x16, FHFL or 4 x PCIe Gen5 x8, FHFL
1 x PCIe Gen5 x8, LP
1 x OCP 3.0 Slot ( (PCIe Gen5 x16)
24 NVMe configuration SKU:
Up to 1 PCIe Gen5 slots + 1 OCP3.0
1 x PCIe Gen5 x8, LP
1 x OCP 3.0 Slot ( (PCIe Gen5 x16)
Storage
CPU Integrated
Optional kits Controller :
Broadcom Mega RAID 9560-16i
ASUS PIKE II 3008-8i 8-port SAS 12G HBA card
Drive Bays
16 NVMe configuration SKU:
24 x 2.5” hot-swap drive bays
Support 16x NVMe + 8 SAS/SATA
*RAID/PIKE cable is needed for 8 SAS/SATA
24 NVMe configuration SKU:
24 x 2.5” hot-swap drive bays
Support 24x NVMe
Rear bays:2 x 2.5” SATA hot-swap drive bays
2 x M.2 connectors
Networking
1 x Management Port
Graphic
16 NVMe configuration SKU:
4 single-slot or 2 double-slot GPU cards
24 NVMe configuration SKU:
Can‘t support GPU
Multi-GPU Support
Front I/O Ports
Rear I/O Ports
1 x VGA port
1 x Management port
2 x 1GbE LAN ports
Switch/LED
1 x Power Button/LED
1 x Reset Switch
1 x Location Button/LED
1 x HDD Access LED
1 x Message LED
LAN 1-2 LED
Rear:
1 x Port80 LED (Q-Code)
1 x Power Button/LED
1 x Location Button/LED
1 x Message LED
OS Support
Management Solution
ASUS ASMB11-iKVM (on-board)
Regulatory Compliance
Dimensions
33.07” x 17.68” x 3.47
Form Factor
Weight
Net Weight: 19.14 kg
Gross Weight: 26.63 kg
Power Supply
Power Supply
Environment
Non operating temperature: -40°C – 70°C
Non operating humidity: 20% – 90% (Non condensing)
Note
Operating Temperature based on configurations
Optional Items
FRU Part List
FRONT PANEL BOARD: 90SC0G10-M0XBN1
PDB BOARD: 90SC0K10-M0XBN1
24BAY BACCK PLANE: 90SC0JU0-M1XBN1
12BAY BACCK PLANE: 90SC0IC0-M0XBN2
LEFT RISER CARD: 90SC0K00-M1XBN1
RIGHT RISER CARD: 90SC0JZ0-M2XBN0
LEFT RISER CARD AND BRACKET: 90SKS000-M9DAN0
24 NVME CABLE KIT: 90SKS000-MTYBN0
CABLE ARM: 90SKS000-M23AN0
8038 FAN: 90SKS000-M4IAN0
2U FRONT BEZEL: 90SK0000-MPIAN0
3.5" HDD TRAY TOOLLESS: 90SKH000-MPRBN0
2.5" HDD TRAY TOOLLESS: 90SKS000-ML5BN0
SP5 2U STD HEATSINK: 90SKS000-M4LAN0
1600W TITANIUM RPSU: 90SKP000-M4AAN0
FULL EXTENSION RAIL KIT: 90SKR000-M07AN0
TOOL-LESS RAIL KIT: 90SK0000-M0TAN0
REAR HDD KIT: 90SKS000-M4FAN0
Resources
At the same time to provide CDMO services for many domestic and foreign research and development institutions and pharmaceutical companies, has successfully completed more than 50 new drug research and development pipeline of key raw materials production scaling tasks.
Driver Download
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ASUS RS521A-E12-RS24U AMD EPYC™ 9005 single-processor 2U Rack Server
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